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WO/2024/077265A1 |
A feed trough for an electric arc furnace includes first and second arcuate plates, each arcuate plate having opposing first and second end edges and opposing first and second side edges. The first and second end edges include an arcuate...
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WO/2024/057758A1 |
This slag amount estimation method includes: capturing, with a single imaging device, an image of a slag flow which flows out from an outlet of a refining vessel and expands in width in the upstream rather than in the downstream; finding...
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WO/2024/047232A1 |
The invention relates to a device and a method for high-temperature applications in metallurgy, in the chemical industry and in the cement industry. A description is given of the combination of an electric heating element (2) with a micr...
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WO/2024/050294A1 |
A melting furnace system for melting metals including but not limited to aluminum and aluminum alloys includes a plasma gas supply and a supplemental gas system. The plasma gas supply supplies a plasma gas to a melting chamber of a melti...
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WO/2024/038916A1 |
Provided are: an oil-liquefaction apparatus which makes it possible to perform chemical recycle without deteriorating the efficiency of thermal cracking; and an oil-liquefaction method using the oil-liquefaction apparatus. This oil-liq...
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WO/2024/037912A1 |
The invention relates to a melting furnace (1) for melting a metal material (2), having a receiving region (3) for receiving the metal material (2) in a solid state of aggregation of the metal material (2), a gas burning device (13), whi...
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WO/2024/033859A1 |
A mounting box (1) for a burner (81) or lance (82) for a metallurgical furnace (300), made of metal in a single block by casting, comprises a box side wall (10) defining an inner cavity (2) adapted to accommodate the burner and/or the la...
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WO/2024/033862A1 |
A method for cooling a burner or lance mounting box for a metallurgical furnace includes circulating a first coolant inside a primary cooling circuit (3) and circulating a second coolant, distinct from the first coolant, inside a seconda...
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WO/2024/031119A1 |
The invention relates to an apparatus (1) for thermally treating a substance (2), in particular a solid, comprising a treatment chamber (5) and at least one device (6) for providing a plasma, wherein the treatment chamber (5) comprises a...
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WO/2024/028762A1 |
The invention relates to a method for heating a furnace comprising radiant tubes and being able to thermally treat a running steel strip comprising the steps of: i. supplying at least one of said radiant tubes with H2 and O2 such that sa...
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WO/2024/028634A1 |
The invention relates to a method for heating a furnace comprising radiant tubes and being able to thermally treat a running steel strip comprising the steps of: i. supplying at least one of said radiant tubes with H2 and O2 such that sa...
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WO/2024/023565A1 |
The invention deals with a method for manufacturing pig iron in an electrical smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said D...
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WO/2024/023564A1 |
The invention deals with a method for manufacturing pig iron in an electrical smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said D...
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WO/2024/024288A1 |
Provided is a molten metal filtration device in which agitation performance of molten metal, degassing performance against gas inclusions, and prevention of clogging of a filtration tube are made more uniform/improved. Disclosed is a mol...
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WO/2024/023095A1 |
The invention is in the field of metallurgical installations, specifically in the field of metallurgical vessels for metals. The present invention addresses the problem of providing a simple type of construction for the tapping device in...
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WO/2024/023570A1 |
The invention deals with a method for manufacturing pig iron in a smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said DRI product t...
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WO/2024/023557A1 |
The invention deals with a method for manufacturing pig iron in an electrical smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: - loading DRI product in said vessel 20 - melting said DRI p...
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WO/2024/023571A1 |
The invention deals with a method for manufacturing pig iron in a smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said DRI product t...
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WO/2024/023560A1 |
The invention deals with a method for manufacturing pig iron in an electrical smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said D...
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WO/2024/023559A1 |
The invention deals with a method for manufacturing molten pig iron into an electrical smelting furnace 13, said method comprising the following successive steps: - providing a directly reduced iron product 12, - providing a carbon conta...
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WO/2024/023562A1 |
The invention deals with a method for manufacturing pig iron in an electrical smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said D...
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WO/2024/023558A1 |
The invention deals with a method for manufacturing pig iron in a smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said DRI product t...
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WO/2024/022989A1 |
The invention relates to a method for producing an iron melt (1) in an electric fuser (10).
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WO/2024/018424A1 |
Burner (1) for firing ceramic articles (T) comprising: a mixing body (5) comprising, in turn, at least one duct (6) to feed a fuel (FL) and at least one duct (7) to feed an oxidizer (OX); a spark device (8) to start a combustion; a flame...
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WO/2024/020575A1 |
Described are steel production systems and methods, and a furnace and methods of using such furnace to produce steel. In some embodiments, the furnace may include a shell having a top portion and a bottom portion. There may be a roof con...
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WO/2023/243110A1 |
[Problem] To provide a plant capable of reducing environmental impact and a method for producing glass and hydrogen. [Solution] The plant to produce glass and hydrogen 1 has a glass melting furnace 2 that melts a glass raw material by th...
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WO/2023/237692A1 |
The invention relates to a melting furnace (100) for melting metal, comprising: - a first heating device (130) having at least one electrically heatable immersion heating element (131); and - a circulating arrangement (120) designed to c...
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WO/2023/223683A1 |
The objective of the present invention is to accurately measure the length of a carbon electrode by eliminating measuring errors resulting from an external shape of a union that has melted off together with a metal pipe. This carbon elec...
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WO/2023/222423A1 |
A stave protection system for a metallurgical furnace comprises: a stave (100) comprising upper and lower ribs (114) projecting forwardly from a front face (102) of the stave (100) and spaced apart from each other so as to define a trans...
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WO/2023/224496A1 |
A system and method for robotic tapping of rotating furnaces is provided. The present invention attains the above-described objective by a robot that uses a coarse positioning system to align roughly with the tap hole and a fine position...
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WO/2023/218435A1 |
A set of water-cooled panels(10) for electric arc furnaces comprising some pie- shaped panels(20) that cover the ceiling and the walls of an electric arc furnace in a circular arrangement, wherein each panel(20) comprises a set of separa...
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WO/2023/209944A1 |
A melting furnace according to the present invention comprises: a preheating tower (12) having a preheating chamber (12b) installed therein; a melting chamber (14); a combustion chamber (16); and a combustion burner (18). Inside a furnac...
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WO/2023/209427A1 |
A metallurgical furnace 10 comprises a fluid-cooling system 40 for a first part 42 of the furnace below a taphole 16. The fluid-cooling system comprises a conduit 44 that is in heat exchanging relationship with the first part 42. The con...
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WO/2023/187527A1 |
Embodiment of disclosure relates to a system and method for measuring burden profile distribution in a blast furnace. The system comprises a phased array-based radar unit which is configured to perform plurality of scans in interior of a...
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WO/2023/192654A1 |
Magnetic field components measured around and along a remelting furnace and other measured furnace parameters are used to estimate concentricity of the electrode within the crucible of the furnace, to estimate a distribution of drip shor...
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WO/2023/181088A1 |
Weighing device for charge material fed into an electric arc furnace, which comprises a plurality of supports each comprising an upper plate, a lower plate and a weighing element in contact with and disposed between said two plates, wher...
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WO/2023/173159A1 |
A method and an apparatus for producing direct reduced iron (DRI) move a material comprising iron ore and biomass through a preheat zone (20) and then a reduction zone (30) of a hearth furnace (3) and heat and progressively reduce iron o...
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WO/2023/170721A1 |
Feed apparatus (10) for feeding a metal charge (C) toward a melting furnace (100), wherein the apparatus (10) comprises a conveying channel (11) and a fixed hood (12) which is configured to hermetically close the upper part of the convey...
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WO/2023/170622A1 |
A process for preheating raw material in the production of ferrochrome products. The process includes extracting off-gas produced in a DC arc furnace (12), feeding the extracted off-gas to a hot gas generator (40) and generating hot gas ...
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WO/2023/166223A1 |
The present invention discloses a furnace power supply apparatus for the supply of an electric arc furnace or a submerged arc-resistance furnace with electric energy, - wherein the furnace power supply apparatus is connectable to a three...
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WO/2023/163949A1 |
An integrated aluminum melting and holding system is provided. The system includes, in combination, a hearth for receiving and melting a charge of aluminum pieces, a holding chamber for maintaining the elevated temperature for casting, a...
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WO/2023/156246A1 |
A furnace vessel (1) of an arc furnace is loaded with metal (2) in a solid state of matter. Afterward, an energy supply device (3) of the arc furnace draws electrical energy from a supply network (4) and feeds the drawn electrical energy...
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WO/2023/157034A1 |
The invention concerns a method to supply electric power to furnaces (100) for melting and/or heating metal materials (M), which provides the supply of a mains voltage (Ur) and a mains cunent (Ir), both having a predefined mains frequenc...
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WO/2023/148019A1 |
The present invention relates to the field of metallurgical installations. The invention relates specifically to a transporting system for charging a metallurgical melting vessel, preferably an electric arc furnace, which is moved from a...
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WO/2023/147931A1 |
Metal (2) situated in a furnace vessel (1) of an electric arc furnace is melted during a melting phase. Based on electrical desired values (X*) of electrical energy that is to be supplied to the electrodes (6), a control device (9) of th...
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WO/2023/132948A1 |
A metallurgical vessel structure and method is provided for producing low-impurity Magnesia-Carbon reclaimed aggregate suitable for reuse in the production of high purity Magnesia-Carbon refractory. A metallurgical vessel is assembled wi...
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WO/2023/119802A1 |
Provided is a cathode assembly that makes it possible to simplify the task of connecting a cathode block and a collector bar. A cathode assembly (100) is used in an electrolytic furnace for aluminum smelting and comprises: a carbon catho...
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WO/2023/119772A1 |
The present invention provides an electrode assembly which is capable of simplifying the connection work between an electrode block and a conductive rod. An electrode assembly (10) according to the present invention is used in an electro...
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WO/2023/110375A1 |
The invention relates to a smelting unit for steel production with a tap weight of between 60 t and 350 t and to a method for operating same. By means of a top lance that moves during operation of the smelting unit and the coordinated in...
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WO/2023/105541A1 |
Electric arc furnace (10) usable for melting a metal charge (M) and comprising a container (11) having at least one perimeter wall (20) in which there are an upper aperture (21), a lateral slagging aperture (22) and a lateral feed apertu...
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